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Lake Madison, SD

Census-designated place in Lake County, South Dakota.

Population

936

Land area

4.7sq mi

People per sq mi

198

ZIP codes

0

Lake Madison and its ZIP codes

Lake Madison at a glance

  • Lake Madison is about 17 times as dense as South Dakota as a whole.
  • Households here earn a median of $129,191 a year, 72% more than the South Dakota figure of $75,081.
  • A typical owner-occupied home is valued at $477,800 (86% above South Dakota) and median rent is $867 a month.

Local data for Lake Madison, SD

Counts from official public data

Housing and community stats

Lake Madison, SD, American Community Survey 2020-2024

Full profile

Median household income

$129,191

Poverty rate

1.0%

Median home value

$477,800

Median rent

$867/mo

Homeownership

90.9%

Bachelor's or higher

49.3%

Median age

63.2

Average commute

17.1 min

Largest reported origins and ancestries: German Americans (358), Norwegian Americans (156), Irish Americans (80).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Lake County. PPP loans are for Lake Madison.

Details

Unemployment rate

1.5%

Sep 2026, -0.1 pts in a year

Average annual pay

$59,153

5,142 jobs, 2025

Income per person

$103,883

BEA, 2024

Federal spending

$104M

FY 2026, $9,417 per person

Lake County economyFederal spending

How people get to work

Lake Madison, SD, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone62.6%
  • Carpooled2.3%
  • Public transit0.0%
  • Walked1.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other1.8%
  • Worked from home32.2%

Average one-way commute: 17.1 minutes for people who do not work from home.

Environment and hazard risk

Lake Madison, SD, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: winter weather

Storm events since 1996

623

Countywide, mostly hail

Flood insurance policies

139

2.1% of homes, county

July high / Jan low

83° / 7°F

26.8 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Lake Madison, SD, CDC PLACES estimates

All 40 measures

Obesity

32.7%

U.S. 33.3% -0.6 pts

Diabetes

13.1%

U.S. 12.1% +1.0 pts

Smoking

12.5%

U.S. 12.8% about the same

Uninsured (18-64)

5.3%

U.S. 11.1% -5.8 pts

Cities near Lake Madison

Frequently asked questions

What county is Lake Madison, SD in?
Lake Madison is in Lake County, South Dakota.
What is the population of Lake Madison, SD?
About 936 people live in Lake Madison, based on American Community Survey 5-year estimates.
What cities are near Lake Madison?
Nearby places include Wentworth (3.8 mi), Brant Lake (4 mi), Brant Lake South (4.7 mi), Chester (5.8 mi), Madison (6.2 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023

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